Ultrasonic imaging broadband signal transmitting and processing method and corresponding system thereof

A technology of signal transmission and ultrasound imaging, applied in ultrasound/sonic/infrasound image/data processing, ultrasound/sonic/infrasonic diagnosis, applications, etc., can solve problems such as high cost, high hardware requirements, and complex system , to achieve the effect of improving consistency, realizing dynamic analysis, and improving lateral resolution and penetration.

Inactive Publication Date: 2019-07-16
VINNO TECH (SUZHOU) CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] In the prior art, a chirp signal is used to modulate the carrier frequency. The signal frequency varies linearly with time and has a large time-bandwidth product. Therefore, a larger bandwidth and higher spatial resolution can be obtained by using a chirp signal; howeve

Method used

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  • Ultrasonic imaging broadband signal transmitting and processing method and corresponding system thereof
  • Ultrasonic imaging broadband signal transmitting and processing method and corresponding system thereof
  • Ultrasonic imaging broadband signal transmitting and processing method and corresponding system thereof

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Embodiment Construction

[0042] The present invention will be described in detail below in conjunction with specific embodiments shown in the accompanying drawings. However, these embodiments do not limit the present invention, and any structural, method, or functional changes made by those skilled in the art according to these embodiments are included in the protection scope of the present invention.

[0043] like figure 1 As shown, in one embodiment of the present invention, a method for transmitting and processing ultrasonic imaging broadband signals is provided. The method includes: S1. A one-to-one mapping relationship is formed, and primitives and / or emission channels that do not form a mapping relationship are ignored.

[0044] In the ultrasonic imaging technology, the number of transmission channels and probe primitives is not specifically limited, and the number of transmission channels and the number of probe primitives can be the same or different, but in the process of signal transmission...

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Abstract

The invention provides an ultrasonic imaging broadband signal transmitting and processing method and a corresponding system thereof. The method comprises the following steps: configuring primitives and transmitting channels on probes to form one-to-one corresponding mapping relations, and ignoring primitives and/or transmitting channels which do not form the mapping relation; and configuring different transmitting center frequencies for the mapping relations according to the distance between the primitives or the transmitting channels with the mapping relations and the transmitting aperture center, wherein the closer the distance between the primitives or the transmitting channels is, the higher the correspondingly-configured transmitting center frequency is. The method configures different emission center frequencies for the mapping relations according to the distance between the primitives or the transmitting channels with the mapping relations and the transmitting aperture center, and can realize broadband signal transmitting; and effectively improves the transverse resolution and penetration power of far-field images, and improves the consistency of the near-field, middle-fieldand far-field images.

Description

technical field [0001] The invention belongs to the field of medical ultrasonic diagnostic imaging, in particular to a method for transmitting and processing ultrasonic imaging broadband signals and a corresponding system. Background technique [0002] Ultrasound imaging has become one of the most widely used clinical diagnostic tools because of its non-invasive, real-time, convenient operation, and low price. The commonly used functional modes of ultrasound imaging include two-dimensional black and white (B) mode, spectral Doppler mode (PW / CW) and color flow mode (CF / PDI). The B mode relies on the amplitude of the ultrasonic echo signal for imaging, and what is obtained is the two-dimensional structure and shape information of the tissue. The greater the echo signal intensity, the greater the gray value of the corresponding image pixel, and vice versa, the smaller the gray value; PW The basic principles of the / CW and CF / PDI modes are the Doppler effect, which rely on the ...

Claims

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Application Information

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IPC IPC(8): A61B8/00A61B8/06
CPCA61B8/06A61B8/488A61B8/52
Inventor 凌涛吴方刚
Owner VINNO TECH (SUZHOU) CO LTD
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